Uncategorized
- Health & Medicine
Nasal vaccines for COVID-19 offer hope and face hurdles
A squirt up the nose could reduce virus transmission, but like shots in the arm, the nasal vaccines have challenges to overcome.
- Physics
Scientists created ‘smoke rings’ of light
A swirling doughnut of light shows that vortex rings aren’t just for fluids anymore.
- Quantum Physics
Quantum physics exponentially improves some types of machine learning
It wasn’t entirely clear if quantum computers could improve machine learning in practice, but new experiments and theoretical proofs show that it can.
- Planetary Science
Samples of the asteroid Ryugu are scientists’ purest pieces of the solar system
Samples Hayabusa2 brought to Earth from asteroid Ryugu are far fresher than similar types of meteorites that scientists have found.
- Climate
Ancient penguin bones reveal unprecedented shrinkage in key Antarctic glaciers
Thwaites and Pine Island glaciers are losing ice faster than any other time in the last 5,500 years. That history is written in bones and shells.
- Tech
Scientists grew living human skin around a robotic finger
In the hopes of one day building super realistic cyborgs, researchers built a robotic finger that wears living human skin.
- Science & Society
How having health care workers handle nonviolent police calls may impact crime
A new study analyzes a Denver program that sends a mental health professional and EMT to handle trespassing and other minor crime offenses.
- Chemistry
A pigment’s shift in chemistry robbed a painted yellow rose of its brilliance
The degradation of an arsenic-based paint stripped shadows and light from a still life flower in a 17th century work by painter Abraham Mignon.
- Animals
Mosquitoes prefer dozing over dining when they are sleep-deprived
Mosquitoes repeatedly shaken to prevent slumber lag behind well-rested ones when offered a researcher’s leg to feed on, new experiments show.
- Paleontology
How mammals took over the world
In the book The Rise and Reign of the Mammals, paleontologist Steve Brusatte tracks the evolutionary innovations that made mammals so successful.
- Earth
Ancient zircons offer insights into earthquakes of the past
Analyzing zircons’ chemical makeup can help expose intense quakes from the past and improve our understanding of the physics of today’s tremors.
- Anthropology
A new origin story for domesticated chickens starts in rice fields 3,500 years ago
Chickens, popular on today’s menus, got their start in Southeast Asia surprisingly recently, probably as exotic or revered animals, researchers say.
